Quarterly report pursuant to Section 13 or 15(d)

Fair Value - Balance Sheet of Unconsolidated Affiliate (Details)

v3.5.0.2
Fair Value - Balance Sheet of Unconsolidated Affiliate (Details) - USD ($)
Jun. 30, 2016
Dec. 31, 2015
Assets    
Total Assets $ 659,109,143 $ 677,979,621
Liabilities    
Total Liabilities 223,822,867 233,785,315
Reported Value Measurement [Member] | Unconsolidated Affiliates [Member]    
Assets    
Current assets 23,828 24,276
Noncurrent assets 701,202 696,461
Total Assets 725,030 720,737
Liabilities    
Current liabilities 17,578 19,993
Noncurrent liabilities 264,338 246,808
Total Liabilities 281,916 266,801
Partner's equity 443,114 453,936
Total liabilities and partner's equity $ 725,030 $ 720,737